e2-1-57 : CWDM filter (1570nm)
1570nm CWDM 필터는 1570nm을 중심으로 15nm의 pass영역을 갖는다. 광섬유 전반에서 사용할 수 있다. uncooled CWDM-DFB와 결합하여 사용하며 이동통신 장비에 많이 사용한다.
사용 예)
 
COM 단자는 Pass 신호와 Reflect (반사)을 합쳐주거나 분리시켜 준다. 이는 사용 방향에 따라 정하게 된다.
Coarse wavelength division multiplexer (CWDM) utilizes thin film coating technology and proprietary design of micro optics packaging. It provides low insertion loss, high channel isolation, wide pass band, low temperature sensitivity and epoxy free optical path.
Features
- Low Insertion Loss
- Wide pass band
- High Channel Isolation
- High Stability and reliability
- Epoxy-free on Optical Path
Applications
- Line Monitoring
- WDM Network
- Telecommunication
- Cellular Application
- Fiber Optical amplifier
- Acess Network
Performance Specifications
|
Parameter |
Specification |
|
Channel Wavelength (nm) |
1570 |
|
Center wavelength Accuracy (nm) |
±0.5 |
|
Channel Spacing (nm) |
20 |
|
Channel Passband (@-0.5dB bandwidth (nm) |
>15 |
|
Pass Channel Insertion Loss (dB) |
≤0.6 |
|
Reflection Channel Insertion Loss (dB) |
≤0.4 |
|
Channel Ripple (dB) |
<0.3 |
|
Isolation (dB) |
Adjacent |
>30 |
|
Non-adjacent |
>40 |
|
Inertion Loss Temperature Sensitivity (dB/℃) |
<0.005 |
|
Wavelength Temperature Shifting (nm/℃) |
<0.002 |
|
Polarization Dependent Loss (dB) |
<0.1 |
|
Polarization Mode Dispersion |
<0.1 |
|
Directivity (dB) |
>50 |
|
Return Loss （dB） |
>45 |
|
Maximum Power Handling (mW) |
300 |
|
Opterating Temperature (℃) |
-25~+75 |
|
Storage Temperature (℃) |
-40~85 |
|
Package dimension (mm) |
|
Specifications may change without notice.
Above specification are for device without connector. |
현재위치 : 
